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  1. #1

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    Yamaha lx210 jet boat

    Hello all. I had a motor rebuilt for a lx210 jet boat. Reinstalled the motor but it keeps burning out the electrical stator. It will run fine on a hose or idling in the water but you open it up and within 600ft the motor shuts off and stator is fried. 3 in a row. I am totally lost. Any one have some advice on what cold be the problem? Thanks

  2. #2
    Click avatar for tech links/info K447's Avatar
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    Which motor model/type?

    Are you re-using the same rectifier with each new stator?

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    Quote Originally Posted by K447 View Post
    Which motor model/type?

    Are you re-using the same rectifier with each new stator?
    HI K447,didn't know you would be on the yamaha forums. The motor is a 3cyl 1200cc efi yamaha 2stroke. The rectifier has not been changed as far as I am aware. Ideas?

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    Quote Originally Posted by K447 View Post
    Which motor model/type?

    Are you re-using the same rectifier with each new stator?
    the original stator was used after the rebuild and that when it started burning them up.


  5. #5
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by car22car View Post
    ... 3cyl 1200cc efi yamaha 2stroke.

    The rectifier has not been changed as far as I am aware. Ideas?
    Speculation: If the rectifier has a problem/defect/internal short, perhaps it is damaging the stator when the engine RPM rises and the amount of electrical power flowing through the rectifier ramps up.

    Do you have another known good rectifier you could test with?

  6. #6

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    Quote Originally Posted by K447 View Post
    Speculation: If the rectifier has a problem/defect/internal short, perhaps it is damaging the stator when the engine RPM rises and the amount of electrical power flowing through the rectifier ramps up.

    Do you have another known good rectifier you could test with?
    could prbly use the rectifier from the other motor and try that. Hate to burn up another stator. Is there a way to test them. Thanks for the help

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